package com.xiaochuan.exception;


import com.xiaochuan.exception.impl.CommonEnum;
import com.xiaochuan.utils.ResultBody;
import org.apache.shiro.authz.UnauthorizedException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;

@ControllerAdvice
public class AllExceptionHandler {//自定义全局异常处理的类
     private static final Logger logger = LoggerFactory.getLogger(AllExceptionHandler.class);

//      LogManager.getLogger
    /**
     * 处理自定义的业务异常
     * @param req
     * @param e
     * @return
     */
    @ExceptionHandler(value = AllException.class)
    @ResponseBody
    public ResultBody bizExceptionHandler(HttpServletRequest req, AllException e){
        logger.error("发生业务异常！原因是：{}",e.getErrorMsg());
        return ResultBody.error(e.getErrorCode(),e.getErrorMsg());
    }


    /**
     * 处理空指针的异常
     * @param req
     * @param e
     * @return
     */
    @ExceptionHandler(value =NullPointerException.class)
    @ResponseBody
    public ResultBody exceptionHandler(HttpServletRequest req, NullPointerException e){
        logger.error("发生空指针异常！原因是:",e);
        return ResultBody.error(CommonEnum.BODY_NOT_MATCH);
    }
    /**
     * 处理其他异常
     * @param req
     * @param e
     * @return
     */
    @ExceptionHandler(value =Exception.class)
    @ResponseBody
    public ResultBody exceptionHandler(HttpServletRequest req, Exception e){
        logger.error("未知异常！原因是:",e);
       if(e instanceof UnauthorizedException){
            logger.error("没有权限");
            return ResultBody.error("没有权限");
        }
        return ResultBody.error(CommonEnum.INTERNAL_SERVER_ERROR);
    }
}
